# Bolt USA vs MarBMS

The clearest difference is update cadence: MarBMS at every 2 weeks against Bolt USA's every 4 months. MarBMS also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bolt USA ships an update every 4 months, MarBMS every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Bolt USA | MarBMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (8 ratings)](https://appshunter.io/ios/app/bolt-usa/id6443496067/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 41 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bolt Energy USA LLC](https://appshunter.io/developer/1646571345) | [Guangdong Marxon Electronics Co., LTD](https://appshunter.io/developer/1680634591) |

## What reviewers say

### Bolt USA

[App page](https://appshunter.io/ios/app/bolt-usa/id6443496067)

Monitor and manage lithium batteries with this utility app. View real-time status, adjust parameters, and receive important alarm notifications.

**Highlights:** Real-time battery status viewing, Battery parameter modification, Alarm information alerts, Lithium battery specific, Device status monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### MarBMS

[App page](https://appshunter.io/ios/app/marbms/id6751799681)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bolt USA free?

Bolt USA is free to download, with no in-app purchases.

### Is MarBMS free?

MarBMS is free to download, with no in-app purchases.

### Do Bolt USA or MarBMS have ads?

Neither Bolt USA nor MarBMS shows ads.

### Which is updated more often, Bolt USA or MarBMS?

Bolt USA ships an update every 4 months, and MarBMS every 2 weeks. Most recently, Bolt USA was updated on October 24, 2026 and MarBMS on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*